981  
CDUS46 KSGX 172321  
CLIFUL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
421 PM PDT WED MAY 17 2023  
   
...............................
 
 
   
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR MAY 17 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 74 2:59 PM 97 2008 76 -2 72  
MINIMUM 57 2:38 AM 51 2011 58 -1 60  
AVERAGE 66 67 -1 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.16 2011 0.01 -0.01 0.00  
MONTH TO DATE 0.78 0.19 0.59 0.00  
SINCE JUL 1 22.52 11.67 10.85 6.65  
SINCE OCT 1 22.29 11.49 10.80 6.46  
SINCE JAN 1 16.95 8.39 8.56 1.03  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 32 21 11 12  
SINCE MAR 1 281 237 44 137  
SINCE JUL 1 1137 1042 95 815  
 
COOLING  
TODAY 1 3 -2 1  
MONTH TO DATE 11 39 -28 46  
SINCE MAR 1 38 109 -71 150  
SINCE JAN 1 44 124 -80 179    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 55 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 2008  
MINIMUM TEMPERATURE (F) 59 53 2011  
 
SUNRISE AND SUNSET  
MAY 17 2023...........SUNRISE 5:49 AM PDT SUNSET 7:48 PM PDT  
MAY 18 2023...........SUNRISE 5:49 AM PDT SUNSET 7:48 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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